* [dpdk-dev] [PATCH] net/mlx5: avoid crash when meter action conf is NULL
@ 2019-12-13 14:13 xiangxia.m.yue
0 siblings, 0 replies; only message in thread
From: xiangxia.m.yue @ 2019-12-13 14:13 UTC (permalink / raw)
To: matan, shahafs; +Cc: dev, Tonghao Zhang, Suanming Mou
From: Tonghao Zhang <xiangxia.m.yue@gmail.com>
When offloading the meter, should check the action
conf and make sure it is valid.
Fixes: f46bf7488705 ("net/mlx5: support meter flow action")
Cc: Suanming Mou <suanmingm@mellanox.com>
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
---
drivers/net/mlx5/mlx5_flow_dv.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c
index 73aaea4..2c47382 100644
--- a/drivers/net/mlx5/mlx5_flow_dv.c
+++ b/drivers/net/mlx5/mlx5_flow_dv.c
@@ -3402,7 +3402,12 @@ struct field_modify_info modify_tcp[] = {
{
struct mlx5_priv *priv = dev->data->dev_private;
const struct rte_flow_action_meter *am = action->conf;
- struct mlx5_flow_meter *fm = mlx5_flow_meter_find(priv, am->mtr_id);
+ struct mlx5_flow_meter *fm;
+
+ if (!am)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "meter action conf is NULL");
if (action_flags & MLX5_FLOW_ACTION_METER)
return rte_flow_error_set(error, ENOTSUP,
@@ -3417,6 +3422,8 @@ struct field_modify_info modify_tcp[] = {
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"meter action not supported");
+
+ fm = mlx5_flow_meter_find(priv, am->mtr_id);
if (!fm)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
--
1.8.3.1
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